Impelled Quotes (2 quotes)
I finally saw that the blood, forced by the action of the left ventricle into the arteries, was distributed to the body at large, and its several parts, in the same manner as it is sent through the lungs, impelled by the right ventricle into the pulmonary artery, and that it then passed through the veins and along the vena cava, and so round to the left ventricle in the manner already indicated. Which motion we may be allowed to call circular, in the same way as Aristotle says that the air and the rain emulate the circular motion of the superior bodies; for the moist earth, warmed by the sun, evaporates; the vapours drawn upwards are condensed, and descending in the form of rain, moisten the earth again; and by this arrangement are generations of living things produced.
Your true inventor has a yen to invent, just as a painter or musician is impelled to create something in his art. I began wanting to invent when I was in short pants. At the age of eight—and that was forty years ago—I invented a rock-thrower. Later I found that the Romans had done a much better job some two thousand years before me.